A 
bullet moving with velocity 
strikes a block of mass 
at rest and gets embedded in it. The loss in kinetic energy will be
a)
100%
b)
95%
c)
5%
d)
50%
A bullet moving with velocity strikes a block of mass at rest and gets embedded in it. The loss in kinetic energy will be
a)
100%
b)
95%
c)
5%
d)
50%
Question ID - 50944 | SaraNextGen Top Answer
A bullet moving with velocity strikes a block of mass at rest and gets embedded in it. The loss in kinetic energy will be
a)
100%
b)
95%
c)
5%
d)
50%
|
A |
|||||||
|
a) |
100% |
b) |
95% |
c) |
5% |
d) |
50% |
1 Answer
127 votes
Answer Key / Explanation : (b) -
(b)
.png)
Initial K.E. of system = K.E. of the bullet 
By the law of conservation of linear momentum
Fractional loss in K.E. 
By substituting 
we get
Fractional loss 
Percentage loss 
127 votes
Answer Link
127